Machine for casting stereotype plates



Nov. 11 ,1924. 1,514,757

M. w. BRUESHABER MACHINE FOR CASTING STEREOTYPE PLATES Filed March 214 192x 8 Sheets-Sheet 1 Nov. 11 1924;, 1,514.75?

M. w. BRUE SHABER MACHINE FOR CASTING STEREQTYPE PLATES Filed March 1921- 8 Sheets-Sheet 8 g lNVENTOll' 76%] d-M I ATTOENEJY M. W. BRUESHABER MACHINE FOR CASTING 'STEREOTYPE PLATES Filed March 21.

1921 8 Sheets-Sheet 4 ATTORNEY Nov. 11 1924. 1,514,759?

M. W. BRUESHABER MACHINE FOR CASTING STEREOTYPE PLATES Filed March 21, 1921 8 SheetsSheet 5 W ATTOQ [37 M. W. BRUESHABER MACHINE FOR CASTING STEREOTYPE PLATES Fild March 21 1921 8 Sheets-Sheet 6 "mum 1N -HT012 1 I 77 bY Nov; 11 ,1924. 1 1,514,757

M. W. BRUESHABER MACHINE FOR CASTING STEREOTYPE PLATES Fil ed March 21. L921 8 Sheets-Sheet '7- a I 157 m Nov. 11 9 1924. 1,514,757

M. w. BRUESHABER i MACHINE FOR CASTING STEREOTYPE PLATES Filed March 21. F921 8 Sheets-Sheet 8 if i Z PatentedNov. 11, 1924.

UNITED STATES PATENT OFFICE.

MARTIN W. BRUESHABER, OF CHICAGO, ILLINOIS, ASSIGNOR TO GOSS PRINTING PRESS COMPANY, A CORPORATION OF ILLINOIS.

MACHINE FOR CAS'IINGS'IEREOTYPE PLATES.

To all whom it may concern:

Be-it known that I, MARTIN W. BRUE- S'HABER, a citizen of the United States, residing at Chicago, in the county of Cook and State of Illinois, have made certain new and useful Improvements in Machines for Casting Stereotype Plates, of which the following is a specification.

The invention relates to machines for casting stereotype printing plates and more particularly to mechanism operating automatically to strip the plate and 'matrix apart and to lift the plate free from the drag so that it may be readily ,removed therefrom for trimming or other subsequent operations.

Objects and advantages of the invention will be set forth in part hereinafter and in j part will be obvious herefrom, or may be- 20 same being realized and attained by means learned .by practice with the invention; the

of instrumentalities and combinations pointed out in the appended claims.

The invention consists in the novel parts, constructions, arrangements, combinations and improvements herein shown and described.

The accompanying drawings, referred to herein andconsti-tuting a part hereof, illustrate one embodiment of the invention, and together with the description, serve to explain the principles of the invention.

Of the drawings i I Fig. 1 is a side elevation-showing a machine embodying the invention in the plate casting position;

Fig. 2 is a side elevation showing the machine of Fig. 1 in plate delivering position;

Fig. 3 is a vertical longitudinal section on an enlarged scale, taken substantially through the center of the drag and associated mechanism of Fig. 2;

Fig. 4 is an enlarged fragmentary detail view, on the line 4E4= of Fig. 2, looking in the direction of the arrows;

Fig. 5 is atransverse vertical section likewise on an enlarged scale taken on line 55 of Fig. 2, showing the plate disengaged from the matrix, and showing aform of re showing chamber;

Fig. 7 is a greatly enlarged fragmentary section taken on line 77 of Fig. 3;

Fig. 8 is a vertical central section on line 88 of Fig. 6, moreor less diagrammatic in character, showing'the form of the casting chamber;

Fig. 9 is a side elevation, with the drag or concave casting member in longitudinal section, showing adifferent form of mechanism for operating the plate raising saddles;

Fig. 10 is a full end elevation of the drag or concave casting member, looking at Fig. 9 from the right;

Fig. 11 is a fragmentary horizontal section on line 11- 11 of Fig. 9;

y F 12 is a side elevation, with parts in section of a different form of mechanism for operating the plate raising saddles;

Fig. 13 is an elevation taken on line 13-13 of Fig. 12;

Fig. 14 is a horizontal sectional view, taken on the line 1414 of Fig. 12; and

Fig. 15 is afragmentary detailshowing a manual control for the unitary end ring and saddle mechanism.

The present invention is directed to mak ing a simple stereotype plate casting ma 0111118, very much along standard lines so far as concerns its general features, while adding thereto, or introducing thereinto, novel features and instrumentalities operating or conducing to render the machine largely automatic or approximately so; to facilitate the. discharge andthe handling of the hot plate preparatory to finishing; to quickly and easily strip the cast plate from the matrix and to separate or space it from the wall of the drag preparatory to its removal from the casting machine, either manually or by a machine, and to effectuate the foregoing by simple, sturdy and reliable mechanism, operating automatically in the ordinary operation, or by the usual movements, of the parts of the casting machine. Other features and objects than those enumerated will be set forth in connection with the detailed description of the machine.

In the embodied form, devices are provided engaging with each end, preferably each arcuate end, of the cast plate to lift the plate clear from the matrix and the wall i of the' drag. Preferably in connection therewith, as embodied, a plate is cast having a tail at either end, or a tail at the bottom and a riser at the top, the plate lifting devices engaging with the two tails, and lift ing the plate clear of the matrix and the dragwall, and thereby positioning the plate I so that it.may beremoved either manually or by mechanism without'danger of injury to'the matrix or to the plate.

As embodied further, the plate lifting members are nested-in the wall of the drag during the casting operation and are proand are automatically moved therefrom-to lift the plate from the matrix and the drag wall.

Referring to the embodiment of the invention illustrated by way of example in the accompanying drawings, a casting machine is shown having a vertical stationary core and a traveling drag, theplate being "carried away from casting position in the drag, the drag traveling preferably to a horizontal position for the delivery or re- I moval of the plate.

Means are provided by the invention for stripping the plate from the matrix, and for removing and' positioning the plate for ready removal fromthe drag, either manually or by the operation of the mechanism.

to I

Y with the Val base 2 of the machine.

In connection with the embodied form of such means, they operateautomatically through the travel-of the drag, and. preferably upon the plate a1 (1 drag arrivingat delivery position. Furthermore, the machine is preferably capacitated to cast a plate having a tail or projection at each curved end thereof, the automatic plate removing means engaging these tail or projecting portions of the plate in the removingaction. Other features and details of the invention will be pointed out at later points in' connection detailed description of the invention. f

In saidembodied form, .as herein illustratedin an exemplary manner, the convex or core 1 is vertically arranged or positioned, and is preferably fixed in position upon the The core may be provided with cooling devices and the like, of any suitable or approved form, but. they are not shown in the drawing astheyconstitute no direct part of the present invention. In the embodiedform, the concave or drag 3"travels to and fro between a vertical position in cooperation with the core 1 for easting the plate, and a horizontal position for the delivery of the plate, the former position being shown in Fig.1 and the latter position in Fig. 2 of the drawings. The

rag may provided with cooling devices, if desired. v

Means are provided for lockin the core and drag together during the castingop'eration, and the illustrated form thereof comprises a pair of pins or lugs 4 at one end, and upon the opposite sides, of the drag and a pair of pins 5 located at the other end of, and uponv opposite sides of, the drag. Cooperating with the pair of lugs 4, respectively, arega pair of hooks 6, fixed on a shaft 7, which shaft is positioned'?trans-- versely to the coreand ismounted at the back thereof in bearings upon the machine structure. Copperating -with the pair of pins 5, respectively, are a pair of hooks 8,

which are fixed on ashaft 9, this shaft being likewise located transversely and at the back of the core '1 and being journaled in suitable bearings. 'Means are provided for causing the two pairs of hooks to move concurrently or simultaneously, and as embodied, an arm 10 is fixed to shaft 7, and

an arm 11 is fixed to shaft these two arms being connected together by a link 12. A hand lever 13 is shown for actuating the mechanism just described. So far as concerns the principal features of the present invention, such fastening means may be of \any suitable or approved form, and the illustrated mechanism is the same as that shown anddescribed in the copending application of Albert A. Henz i, Ser. No. 408,203, filed Sept. 4, 1920, copending herewit Means are provided for traveling and guiding the drag to and fro between the plate casting and plate discharging posi- 'tions, and such means may be 0 any suitable form so far as concerns certain. features of the invention. As embodied, a pair of lugs ,16 and 17 project from the back or exterior of the drag 3, and loosely' carried in internal apertures in these lugs is a shaft 18, the shaft having retaining col-- lars 19v and 20 at the ends thereof. Shaft 18 is likewise loosely mounted in a pair of arms 21 and 22' at one end of the arms, and at their opposite ends. these arms 21 and 22 are fixed -to ashaft 24, by suitable means such as pins 25 and 26. The

shaft 24 is mounted to rock or partially rotate to and fro in bearings 27 and 28, formed in the machine frame 29. Suitable means are provided for so rocking or partially rovided in the present embodiment, cooperating with the foregoing mechanism, a pair of pintles 35, which project fromthe drag 3 at the opposite sides thereof. Mounted on the respective pintles are a pair of rollers 36,- these rollers running on a' pair of trackways 37 formed on the opposite sides of the machine frame.

In connection with these, means are provided for locking the drag in the plate-discharging position, and as embodied, a pair of hooks 38 are pivotally mounted, respectively, on the opposite sides of the machine frame, upon corresponding pivot pins 39. The hooks 38 are provided at their forward ends with bevel faces 40, and at their oppo site ends with tails 41. The operation of these locking devices will be clear from Figs. 1 and 2. The projecting ends of the 1 pintles of rollers 35, as the drag rocks from the plate-casting position of Fig. 1 to the plate-discharging position of Fig. 2, engage with the bevel faces 40 of thehooks, and the hooks thereupon swivel on their pivots to receive the pintles 35 and to thereby lock the drag in the position of Fig. 2. By rocking the hooks by means of their tails 41, they will be unlocked or disengaged from the pintles preparatory. to the return travel of the drag to the plate-casting position of Fig. 1. These devices so far as concerns many features of the invention will be of any approved or suitable form, but as shown herein they are similar to those shown and described in said copendin application Ser. No. $08,203, of Albert'A. enzi.

Referring now to the construction of the automatic plate-removing means, and tocerrain of the cooperating parts, there are provided suitable end stops 46 and 47, to protect the ends of the matrix. from the hot poured stereotype metal and to form wholly or in part the curved beveled ends of theplate. Suitable devices may be provided for holding the straightedges of the matrix in position within the box or drag 3, and these may be of any suitable or adequate form, the same not being shown herein.

In theembodied form, and according to one feature of the invention, the casting chamber is shaped to cast a plate 48 with an intermediate printing portion 49, (which is the plate proper, that is, it carries the operating surface ofthe finished plate which goes upon the form cylinder of the press), with the usual riser 50 at one curved end, and with a tail 51 at the opposite curved end of the plate from the riser. The embodied form of plate removing mechanisin'coo-perates with these two tails 50 and 51 at. the opposite curved ends of the plate, and said mechanism preferably does not engage with the plate proper 49.

The embodied form of plate removing means lifts the plate bodily from the matrix and drag, and brings it to rest as shown in Figs. 3 and 5, preparatory to the removal of the plate, either by mechanism orby hand. The two mechanisms so operating may be of the same or similar construction and willbe described together. ate yokes 56, bne at either end of the plate, and of like curvature and size or radius with the exterior of the stereotype plate" 48 are nested or seated within a recess 57, formed either in the wall proper ofthe'drag or inv a recess in the head stop 47 and tail sto 46, asmay he found most convenient or a visable, so that whenin the'casting position, shown in :F 'igj 6, the outer surface of the yoke presents. an unbroken surface with the f inner surface of the drag 3.

Means are provided for projecting the yokes 56 from the nests or recesses 57 at the plate-discharging position, to bring the cast As embodied two arcuplate to a position such as is shown in Figs.

3 and 5. In the embodied form of such means, ther is fixed to each of the yokes 56 a stem 58, projecting backwardly through an aper-,

ture in the back wall of the drag, and preferably located centrally with respect to the curved shape or dimension of the drag. Within this aperture is a bushing or sleeve 59, provided at its inner end with a shoulder 60. Coiled about stem 58, and in compression between the shoulder 60.0f bushing 59 and a collar 61 fixed upon the outer end of stem 58, is a spring 62. In the outer end of each of the stems 58 there is preferably a friction wheel 63. Keys or splines 64 are provided to prevent rotation of the stems 58 when the saddles are projected, that is are out of their seats 57.

The springs 62 operate to press the corresponding yokes or saddles 56 into their seats in the wall of the drag, as shown in Fig. 6. Means are provided operating automatically as the casting box comes to the plate-discharging position of Fig. 2, to enagainst'the springs 62 to the position of l ig.

5 to bring the plate to discharging position.

In the embodied form of actuating means for'the saddles, the right-hand stem 58, or

its roller 63, in- Figsf2 and 3, as the drag comes to the plate dischargingposition, engages with an arm 68, fixed on a shaft 69,

which shaft is mounted in fixed or nonrotating position in the machine frame. As embodied, the corresponding mechanism, operating upon the stem 58 or its roller 69 at the left hand end of Figs. 1 and 3, comprises alever 70, fixed on a shaft 71, which is journaled at 72 and 73 in the machine frame. shaft 71 longitudinally in position. At one of its ends lever 70 is provided with a friction'roller 76, adapted to. engage with a lug 77 when the drag comes to the plate-dis charging position. Lever 7 0 is thus rocked Collars 74 and 75 serve to keep the nested in the dragfwall during the casting such a distance that-its opposite end engaging with roller- 63 will impart to its saddle movement equal to that, of the other saddle 56, so that, the plate. 48'- will be moved or lifted throughout its length an equal distance from the dragv3 and from the matrix '45.

In Fig. Gone of the saddles 56 is shown operation. In Fig. 8 the form of the cast ing chamber for casting atailateach end of the plate is shown.

In Fig. 5 part of a mechanical, automatically operating plate remover '80 is shown, cooperating with the pla-t-e as positioned for discharge by theimechanism hereinbefore des cribed. This device, shown by way of example, is the carrier illustrated and described in compending application Ser. No. 407, 987, filed SeptemberB, 1920, of Albert A. Henzi..

The carrier 80 rotates inthedirection of the arrow in Fig. 5, and the edge 81 thereof engages with the edge of plate 48, carrying the plate around to a position on top of the carrier 80, and it is then removed for-delivery or .t -o the machine of which the carrier 80 forms-.a part in said copending application.

In Figs. 1, 2,3, 5, 6 and 8 the casting box;

is showndwith a solid-back, while in Fig. 12 is shown a two part drag, that is, a drag having a receding back portion movable to and awayfrom the matrix=sheet, the same orsimilar to that shown in copending application of Albert A. Henzi, Ser. No. 408,203. In Figs. 3, 5, 6, s, 12 and 13,

the plate. lifting saddles and the end rings for the matrix sheet are shown separate from each other and movable relatively to'each other, while in F igs; 9 and 10, the end ,rings for the matrix sheet and the saddles or plate lifting devices are shown unitary or integral.

In actual'practice, however, it will usually be found convenient or advisable to use the combined or' unitary end rings and plate lifters when the solid back drag is employed, using therewith the spring-acting.

0.1 automatically operating matrix stripping V jaws or side gages. NVhen the drag with the receding back is employed, usually automatically operating, the separate end rings and saddles or plate liftiiu vdevices can be ments of the mechanism maybe utilized as f may be found most advantageous. Itwill 'be understood for instance that the receding back shown in Figs 12 may be'used with theform of'saddles and the form of actuating means therefor shown in Figs. 1 to 8,

or the combined or unitary end rings and lifting saddles shown in Figs. 9 and 10 may be employed with the other mechanisms shown in the other figures of the drawings.

The various applications are not shown and described in added detail to avoid undue extension of the drawings and description but will be clear to anyone skilled in the art.

In Fig. 9 of the drawings, the'end rings (which are arcuate in form and protect the ends of the matrix sheet 45 from the molten metal) and v the plate. lifting devices or saddles are of unitary construction, and when this structure is lifted or moved outwardly to deliver the cast plate 49 or to bring the plate to delivery position, the end rings are thereby also moved away from the matrix sheet 45, which isthen free to be flexed and stripped from the cast plate. These unitary end rings/and saddles will operate with either a,solid back drag or a drag with the part behindthe matrix sheet recessible or movable backwardly from the matrix sheet when in casting position, al-

though the unitary ring and saddle and the recessible back will not usually be employed together.

Referring in detail to the said structure,

the unitary ring and saddle construction 90 is shown mounted'in the drag3 at each end of the matrix sheet 45, being shown partly in cross-section and partly in side elevation in Fig. 9, and in end elevation in Fig. 10. The body 91 is reciprocable inwardly and outwardly and when retracted is nested in a correspondingly shaped recess 92 in the drag. Each of .the devices is providedwith a lip or flange 93 which extends over the corresponding curve edge of the matrix :45, performing the function of the end ring.

' A form of means for automatically lifting or delivering the cast plate 48 is shown in this figure different from the corresponding means in the-other figures; although it will be understood so far as concerns many features of the invention that this fornf of actuating mechanism may be employed with the other forms of end rings and plate lift ing devices," or the other forms of actuating means may .be used with the unitary end ring and saddle. The actuating means shown in Figs. 9, 10 and 11 are adapted to be used with the form of drag-operating means shown in Figs. 1 and 8, or with the automatic means for actuating the receding back such as is-shown in co-pending application, Ser. No. 408,203, of AlbertA.

Henzi,

In this form of actuating mechanism shown in Fig. 9 to 11, stems 95 are fixed centrally to and projecting backwardly from the unitary rings and saddles 90 and are located centrally thereof and of the drag.-

the connecting parts.

These stems are reciprocable in apertures in the back of the drag 3. The reciprocable stems 95 have their outer ends fixed to a frame 96 in a suitable manner, and are shown shouldered against one side of'the frame,

with reduced portions 97 passing through 99 so as to be reciprocable therewithin upon guides formed between the journal box and the yoke 99 and frame .piece 96. J ournaled within the journalbox 101, and rotatably mounted on shaft 18, is an eccentric 102, which is fixed to an arm i103, extending outwardly from the eccentric. Pivot-ed at 104 to the end of the arm 103 is a rod 105, the other end of which is pivotally mounted on a cross rod 106 mounted on the machine frame. The eccentric 102, arm 103 and rod 105 are similar to those employed for automatically operating the receding back portion of the drag as the drag is swung to and fro between casting and delivery position, as

shown and described in said application S. N. 408,203. of Albert A. Henzi. In Figs. 9 and 10, 88 is the handle for opening the matrix clamping jaws and 89 is the handle for rocking the jaws by'hand to stripping position, the complete mechanism being shown in said Henzi case.

The manner of operation of the mechanism just described is substantially as follows 1 The drag is rocked to and fro between casting position and delivery position by means of shaft 24, arms 21 and 22 and shaft 18, as already described in connection with Figs. 1 to 8. As thedrag 3 stands at casting position with the'cast plate therewithin, the members 90 are within the corresponding recesses 92, and the flanges 93 are pressed closely against the curved edges of the stereotype plate. As thedra-g rocks downwardly from casting position to the position of Fig. 9 011 arms 21 and 22, the eccentric 102 has rotary movement about shaft 18, due to its connection to the arm 103 and link 105, and Frame 96 and yoke 99- are thereby moved toward the body of the drag, and the unitary rings and saddles 9 are lifted or moved outwardly from the recesses 92 to the position shown in Fig. 9. The journal box 101 has movedlongitudinally within the yoke 99 to allow for the movement of the shaft 18 with the arms 21 and 22. The matrix clips, which hold the straight edges of the matrix 45, may be of such form that the matrix sheet will be stripped from the plate 49 during this movement, and for this purpose they may be of the general form and manner of operation shown and described in said copending application S. N. 408,203, of A. A. Henzi.

Means are provided, in accordance with one feature of the invention whereby the end rings 90 may be lifted and lowered either automatically or at the option of the workman or may be lifted and lowered both au tomatically or by the workman. Fig. 15 shows themechanism shown at the central bottom part of Fig. 9, with additions for effecting the functions just described and constituting the present preferred form of the above-mentioned means. In Fig. 15 rod'105 is pivoted at 1-70 to an arm 171 which is fixed on a shaft 172. Fixed also on shaft 172 is a hand lever 173, provided with a latch mechanism 174. A sector 175 is mounted on the machine frame, and has notches 17 6 formed therein with which the latch 174 engages hen arm 171 is in the full-line position of Fig. 15 the end rings and associated parts will be in the position of Fig. 9, but when arm 171 is 9 moved to the broken line position of Fig. 15, it will rotate eccentric 102 and the end rings '90 will be drawn downwardly and be seated in the recesses 92. Thus the workman can raise and lower the end rings at will in changing -or fitting the matrix without interfering with the automatically operating actuating means.

In Figs. 12 to 14 of the drawings a present preferred form of means is provided operable by the workman for actuating the saddles or plate lifting members. In this embodiment, said means is shown cooperat-i ing with the recessible back in the drag behind the matrix sheet 45, and the end rings for the curved ends of the matrix are separate from the saddles or plate lifting devices. It will be understood without further amplification of the drawings, that this workman operated mechanism could be applied to the unitary form of end rings and saddles shown in Figs. 9 to 11, if desired, and with a solid back drag.

Referring now in detail to said embodiment shown in Figs. 12 to l4, saddles 110 of'arcuate form are located near each end of the drag 3, andare nested in recesses 111 in the end rings 109. The saddles 110 are fixed upon rods 112, respectively, which rods,

work in apertures transversely centrally located in the'body of the drag 3. The saddles 110 are resiliently held in their seats in the respective recesses 111 by suitable means,

erative position with respect to the two rods 112, respectively, arerods 1'16, mounted for longitudinal reciprocation in corresponding 5 machine frame;

: The left hand rod uiding brackets or'lugs 117 mounted on the 116 in Fig. 12 has its bottom end pivotally connected at ,11-8 to an journaled in the machine-frame.

arm 119, which arm is fixed. on a shaft 120,

shaft 120 is an arm-12l, pivotally connected at its outer end 122 to a connecting link, 123, and the other end 124 of link 123 is connected to Van arm 125', which is fixed to a shaft 126, 'journaled in the machine frame. Fixed to shaft 126 is an arm 127, which is pivotally connected at 128 to the bottom end of the other rod 116. f

Fixed also to the shaft 126 is a pedal lever 130; and a spring 131 in tension between the .machine frame and a pin 1 32, fixed in rod 116, tends to bring the mechanism to the position of Fig. 12. .Fixed to lever 130 is a segment 133 having therein a notch 134. A pedallever 135 is pivotally supported at 136 on the machine frame, and at its opposite end 137 is pivotally connected to ,a'rod 138 reciprocable in an apertured lug 139 on the machine frame. A coiled spring 140 'is mounted on the rod 138, in tension between lug 139 and a' collar 141, fixed on the rod.

138. A detent 'tooth- 142 is formed on the upper part of'the lever 135.

The manner of operation of the mechalllism just described is substantially as folows: v

The rods 116 and the pedals 130 and 135 may be regardedas in the position corresponding to Fig. 8, when the drag3 is at casting position. *As the drag rocks downwardly to the position of Fig. 12, the rollers 115 engage against the tops of the corresponding rods 116, and as these are locked in position by the. engagement of tooth 142 With notch 134, the saddles 110 are lifted 1 to the position of Fig. 12, lifting the plate 49 clear of the matrix. The automatically operating matrix] stripping devices will .clear the matrix sheet from the cast plate 49. Thesedevices may. be ofany suitable sheets.

form, such as the automatically operating clamps of theHenzi application already re- .notch 134 away from tooth 142. The saddles are thus out of the way in changing matrix When the drag 3 is again swung upwardly to casting position, the rollers 115 hvill move away from the rods .116,

spring 131-wil1-left the rods 116, and will thereby-swing lever 130 until tooth' 142 .ing position.

Fixed on again engages in notch 134, therebylocking the rods 116 in position to operate in-the manner already described when the drag 3 again swings downwardly to plate deliver- The foot pedal 130 may be employed to restore the mechanism to the position of Fig. 12, should this bedesired when the weight of the plate is on the mechanism or at any time after the release lever 135 has been operated.

Means are provided by theinvention for of the drag 3. This reeessible back is em manually operating the recessible, back 150 ployed partly to effect clearance and strip-' 7 ping of the matrix from the cast plate while the plate is still lying in position within the drag, and the recessible back may have-the construction and manner of operation of the similar mechanism shown and described in said application S. 408,203 of Albert A. Henzi, co-pending herewith including the automatically operating the back to and fro.

By the present invention means are provided for additionally moving the back manually, so that the back may be moved up, that is, inwardly to casting position, when the matrix sheet is changed, to determine Whether or not there is a true and smooth fit of the new matrix sheet as held by the side gages or stripping clamps and by the end rings when these are in casting position. As herein embodied the mechanism of the recessible back may be the same as in said copending'Henzi application Ser. No. 408,203, and the mounting of the back in the drag need not be described in detail.

- The arm 150 is pivotally mounted at 153 in lugs 151, fixed to the recessible back, the arm' being journaled on an eccentric 152 mounted on shaft 18. The arm 154 is fixedtov eccentric 152, I and its outer end is pivotally connected at 155 to a rod 156. TlllS mechanism so far as described "is substantially the same as that in the Henzi application referred to. I

The other end of rod 156 is not pivoted to a fixed point on the frame, but is pivoted at 158 to an arm15 9, which arm is fixed on. a

shaft 160, journaled in the machine frame. Fixed on shaft 160 is'a hand lever 161, havplate delivery positions, asthe bearing 158 furnishes a fixed bearing whereby rod 156 may operate eccentric 152 to' move the back 150 to and fro as the drag 3 travels. When drag 3is at rest, hand. lever 161 can be operated by a workman and the eccentric 152 means for moving 'ing .a spring latch mechanism 162, which I has a latch 163 adapted to engage with a thereby rocked and the movement of .the back 150 to and from casting or matrix sheet supporting position may be effected,

while the drag 3 is at 'rest, to fit the new matrix sheet in position in the drag, or to preliminarily inspect its condition prior to casting, or for other purposes as may be convenient or desirable. I I I The invention in its broader aspects is not limited to the specific mechanism shown and described but departures may be made therefrom within the scope of the accompanying claims without departing from the principles of the invention and without sacrificing its chief advantages.

hat I claim is 1. A machine for casting stereotype plates including in combination plate casting means including a draginovable to and fro between plate casting positionvand plate.

discharging position and means for lifting the plate free from the matrix and from the wall of the drag and bringing it to rest within the drag ready for removal.

2. A machine for casting stereotype including in combination plate casting means including a drag movable to and fro between plate casting position and .plate discharging positioh and means operating automatically for lifting the plate free from the matrix and from the wall of the drag and bringing it to rest'within the drag ready for removal.

3. A machinefor casting stereotype plates including in combination plate 'casting" means including a drag movable to and fro between plate casting position andplate discharging position and means operated automatically by the travel of the drag for lifting the plate free from the matrix; and fromgthe Wall of the drag and bringing it to rest within thedrag ready for removal.

4. A machine for castingstereotype plates including in combination plate casting means including a drag. movable to and Y frobetween plate casting position and plate l discharging position and means for engaging the plate at its curved ends to lift the plate free from the matrix and from the wall of the drag and bringing it to rest within the drag ready for removal.

5. A'machine for casting stereotype plates 7 including in combination. plate casting means includiirg a drag movable to and fro between plate casting positionand plate discharging position-and means operating automatically for engaging the plate at its curved ends to lift the plate free from the matrix and from the wall of the drag and bringing it to rest within the drag ready for removal. V

6. A machine for casting stereotype plates including in combination plate casting means including-a drag movable to and fro between plate casting position and plate wall of the cl1 ag and bringing it discharging position and means operated automatically by the travel of the drag for engaging the plate at its curved ends to lift the plate free from .the matrix and from the wall of the drag and bringing it to rest Within the drag ready for removal.

7. A machine for casting stereotype plates including in combination plate casting vmeans including a drag movable to and fro between plate casting position and a substantially horizontal plate discharging position, and means for lifting the plate free from the matrix and from the wall including in, combination plate casting means including ,a drag movable to and fro .between plate castlng position and a position, and means operated automatically by the travel of the drag for lifting the plate free from the matrix and from the I to rest within the drag ready for removal.

10. A machine for casting stereotype plates including in combination plate casting means including a drag movable to and fro between plate casting ,position and a substantially horizontal plate discharging position, and means for engaging the plate at its curved ends to lift the plate free from the matrix and from'the wall of the drag and bringingit to rest Within the drag .ready for ,removal.

-11. A ,machine for casting stereotype plates including'in combination plate castmg mcans including a drag movable to. and

fro between platecasting position and a substantially horizontal plate; discharging position, and means operating automatically for engaging the plate at its curved ends to lift the plate free from the matrix .and from the wall of the drag and bringing it to rest within the drag ready for removal.

12. A machine for casting stereotype plates including in' combination plate casting means including a drag movable to and fro between plate casting position and a substantially horizontal plate discharging position. and means operated. automatically by the travel of the drag for engaging the plate at its curved ends to lift the plate free from the matrix and from the wall of the drag and bringing it 'to rest within the drag ready for removal.

substantially horizontal plate. discharging ing means including a drag movable to and fro between plate casting position and plate discharging position and means .eomprislng saddles nested in the wall of the dragand moving outwardly therefromto lift the plate free from the matrix and from the wall of i i the drag and bringing it torest withinvthe drag ready for removal.

14. A machine for casting stereotype plates including in combination plate casting means including a drag movable to and fro between plate casting position and plate discharging position and means operating automatically comprising saddles nested in the wall of the drag-and moving outwardly therefrom to lift the plate free from the matrix and from the wallof the drag and bringing it to rest within the drag ready for removal.

15. A machine for casting stereotype plates including in combination plate cast-, ing means including'a drag movable to and fro between plate casting position and plate discharging position and means operated automatically by the travel of the drag comprising saddles nested in the wallof the drag and moving outwardly therefrom to lift the plate free from the matrix and from the wall of the drag and bringing it to rest within the drag ready for removal.

16. A machine for" casting stereotype plates including in combination plate casting means including a drag movable to and fro between plate casting position and plate 1 plates including in combination plate castdischarging position and means comprising saddles nested in the wall of the drag and moving outwardly therefrom and engaging the plate at its curved ends to lift the plate free from the matrix and from the wall of the drag and bringing it to rest within the drag ready for removal.

17. A machine for casting stereotype plates including in combination plate casting means including a drag movable to and fro between plate casting position and plate discharging position and means operating automatically comprising saddles'nested in the wall of the drag and moving outwardly therefrom and engaging the plate at its curved ends to lift the plate free'from the matrix and from the wall of the drag and bringing it to rest. within the drag ready for removal.

18. A machine for casting stereotype plates including in combinationplatecasting means including a drag movable to and fro between plate casting position and plate discharging position and means operated automaticallyby the travel of the drag comprising saddlesnested in the wall of the drag and moving outwardly therefrom and engagin the plate at its curved ends to lift the plate ree from the matrix and from the wall of the drag and bringing it to rest within the drag ready forremoval.

19.- A machine for castingstereotype plates including in combination plate casting means including a drag movable to and :fro between plate casting position and plate discharging position and means comprising spring-pressed saddles nested in the wall of the drag and moving outwardly therefrom to lift the plate free from the matrix and from the wall of the drag and bringing it to rest within the drag ready for removal. 20. A machine for casting stereotype plates including in combination plate casting means including a drag movable to and fro between plate casting'position and plate dischar in osition and' means 0 cratin a rl automatically comprising spring-pressed saddles nested in the wall of the drag and moving outwardly therefrom to lift the plate free from the matrix and from the wall of the drag and bringing it to rest within the drag ready for removal.

21. A machine for casting stereotype plates including in combination plate casting means including a drag movable to and fro between plate casting position and plate discharging position and means operated automatically by the travel of'the drag comprising spring-pressed saddles nested in the wall of the drag and moving outwardly therefrom to lift the plate free from the matrix and from the wall of the drag and bringing it to rest withinthe drag ready for removal. w

22. A machine for casting stereotype ing means including a drag movableto' and fro between plate casting position and plate discharging position and means comprising spring-pressed saddles nested in the wall of the drag and moving outwardly therefrom and"engaging the plate at its curved ends to lift the plate free from the matrix and from the wall of the drag and bringing it to rest within the drag ready for removal.

23. A machine for casting stereotype 1 wall of the drag and bringing it to rest within the drag ready for removal. I

24. A machine for platesincluding in combination plate casting means including a drag movable to and frobetween plate casting position and plate discharging position and means operated automatically by the travel of the. drag comprising spring-pressed saddles nested in casting stereotype 7 within the drag ready for discharging position and the wall of the drag and moving outwardly therefrom and engaging the plate at its curved ends to lift the plate free from the matrix and from the wall of'the drag and' bringing it to rest within thedrag ready plates including in 'combination plate casting-means including a drag movable to and fro between plate casting position and plate means operating automatically comprising arcuate saddles ,nested in the wall of the drag and moving from the matrix and fromthe outwardly therefrom to lift the plate free dra and bringin it to rest within the drag ready for removai. a I 27. A machine for casting stereotype plates including in combination platecasting means including a drag movable to and fro between plate casting position and plate discharging position and means operated automatically by the travel of the drag comprising arcuate saddles nestedin the wall of the drag and moving outwardly therefrom to lift the plate free from the matrix and'from the wall of the drag and bringing it to rest within the drag ready for removal.

28. A machine for casting stereotype printing plates comprising a'drag having an arcuate plate saddle nested in the concave wall of the drag and engaging with the convex side ofthe plate, and means slidably engaging the drag for lifting the a saddle.

29. A machine for casting stereotype printing plates.comprising a drag having an arcuate plate saddle nested in the wall of the drag in position to engage the plate away from the printing portion and means for imparting rectilinear motion thereto to and from its nest. v 30. A machine for casting stereotype printing plates comprising a drag having an arcuate plate saddle nested in the wall of the drag to engage with the convex face of the plate, and spring-pressed means for moving said saddle to the nested position.

31. A machine for casting stereotype printing plates comprising a drag having an arcuate plate saddle nested in the concave wall of the drag, means for imparting rectilinear motion thereto to and from its nest,

wallof the and spring-pressed means impelling said saddle in one direction.

32. A machine for casting stereotype printing plates comprising a drag having an arcuate plate saddle nested in the concave wall of the drag, means for imparting rectilinear motion the'reto to and from its nest, and spring-pressed means impelling' said saddle into its nest.

33. A machine for casting stereotype printing plates comprising a drag having an arcuate plate saddle nested in the wall of the drag, and means operated by the travel of the drag for imparting rectilinear motion thereto to and from its nest;

34. A machine for casting stereotype printing plates comprising a drag having an arcuate plate saddle nested in the Wallof the drag engaging the convex face of the late, and means passing through the drag or imparting motion. thereto to and from its nest.

35. A machine for casting stereotype f printing plates, comprising a drag having a an arcuate plate saddle nested in the. wall of the drag, and means operated by the travel of the drag for imparting motion thereto to and-from its nest.

36.'A machine for casting stereotype printing plates comprising a drag having an arcuate plate saddle nested in the concave wall of the drag, and spring-pressed means for moving said saddle, and means for moving the saddle in one against the spring-pressed means:

37. A machine for casting stereotype printing plates comprising" a drag having direction an arcuate plate saddle nested in the concave wall of the drag and spring-pressed means 'impelling said saddle into its nest and means for moving the saddle out of its nest against the action of the springpressed means;

38. A machine for casting stereotype printing plates comprising a drag having a pair of plate saddles nested in the wall of. the drag adjacent to each end of the plate, means for positioning a matrix betweenthe drag and plate, and means for moving the saddles outwardly in a rectilinear path to lift the plate clear of the" matrix and drag wall and to bring it to rest ready for delivery.

39. A machine for casting stereotype printing plates comprising a drag having a pair of plate saddles nested in the concave wall of the drag adjacent to each end of the plate and spring-means pressing the saddles into their nests and means for moving the saddles outwardly against the 'action of the spring-pressed means to lift the plate clear of'the matrix and drag wall and to bring it to rest ready for delivery.

40. A machine for casting stereotype to plate lifting means.

' printing plates comprising a drag having a pair of arcuate plate saddles nested in the concave wall of the drag adjacent to each end of the plateand means passing through 6 the drag for moving the saddles outwardl- "to lift. theplateclear'of the matrix an drag Wall and tobring'it torest ready for delive i 41. 10 bination members constituting a curved casting chamber, onemember having means for holding a matrix, said members forming a casting chamber for casting a plate.

I With a tailat each-curved end thereof. A machine for casting stereotype lates comprising'a drag movable to and o between plate casting position and plate discharging position, and means, operated I "automatically bythe travel of the drag, or operated fmanu'ally, for lifting the plate "free fr'omthe matrix and from the Wall of thedragya'nd bringing it to restwithin v the drag ready for removal.

43. A casting'machine having a casting i "chamber-comprising a 'drag and adapted J to cast a hemi cylindrical plate with a tail projecting from each curved end thereofand means for engaging the tails at each end .of the plate to. lift the plate from thedrag.v

projecting from each curved end thereof and means nested in the wall of the drag .for engaging the tails at'ieach end of the 'plate to lift the .plate, from the drag. T

1 46. A. casting machine having a casting.

chamber comprisin a drag and adapted to I cast a hemi-cylin ricalf plate with a tail *proj'ecting from each curved end thereof and a pa r of arcuate saddles" nested in the thedrag forengaging the tails at each end of the-plate to hftin plate in a I e straightline from the drag;

. A ti machine having a casting chambercomprising a drag'and adapted to- C'8.St 8. hemlecylindrical plate'with a tail pro;-

jectin'g from each-curved end'thereof and means for eng'a g the tailsat each end of the plate to" li t the plate from the drag" 1 and means automaticallyoperating said' I 4 A'casting machinehaving a casting chamber: comprising a dra projecting "from each curved end thereof as and means for engag ng the tails at each casting machine including in coma v and adapted to cast ahemi-cylindrical p ate with a tailend of the plate to the plate from the drag and means automatically operatmg by the 'movementof the drag to operate V i said plate lifting .means. I

49. In a stereotype plate casting machine ,an end ring for the matrix sheet and a plate lifting. device moving togetherin a straight line in a substantially vertical direction, v

- 50. In a stereotype plate casting machine a unitary end ring and plate lifting saddle, and means for imparting rectilinear motion ina substantially vertical direction to said ring and saddle. a

51. A.- stereotype plate casting machine in eluding in combination casting mechanism including a drag, .a pair of unitary end rings and saddles at each end of the matrixand means passing through the drag for; moving them together to deliver the plate.

52. A stereotype plate casting machine i-n-- eluding in combination castin mechanism. including a drag, and a pair .0 unitary end rings and saddles at each end of the matrix and means operating automatically upon the return of the drag from-the casting position for moving them together to deliver the plate. a j j i 53. A machine for casting stereotype plates including in combination a drag,'uni-. tary end rings and plate saddles and means for lifting them to raise the cast plate from the drag. I p

5 4. A machine for casting stereotype plates including in combination a drag, ma-

trix stripping devices,unitary end rings and plate saddles and means for lifting them to raise the cast'plate from the drag .and

'to permit the matrix stripping. devices to strip the matrix from the plate as the taryrings andsaddles are raised. "55. A machine for casting stereotype plates including in combination a drag, um-- I. tary end rings and plate saddles and 'auto matically operating means for lifting them to raise the cast plate from the drag.

56. A machine for casting stereotype plates including in combination a drag, uni-v tary end rings and plate saddles and means operated by the movement of the drag for] drag. a V Y 57. A machine for, casting. stereotype plates including in combination a drag, ma-

trix protecting end 'ringsmovable to "lift no the cast plate and means passing through the drag for lifting the rings;

' 58. A machine for casting stereotype plates including in combination a drag, inatrix stripping means, end rin movable to lift the cast plate andmeans or lifting the rings to lift'theplate and to permit the stripping of the matrix as the umtary rings and saddles are raised.

,59. A machine for stereotype 1:0

lifting them raise the cast plate. from the r i f "1,514,757"

plates including in combination a drag, end rings movable to lift the cast plate and automatically operating means for lifting the rings. I

60. A machine 7 for casting stereotype plates including incombination a drag, end

rings movable to Y lift the cast plate' and,

means operated automatically by the movep the saddles to lift the plate from the v and-actuating means for the saddle ment of the drag for lifting the rings.

"61. A machine j-for casting stereotype plates including in combination a drag, ma-

trix-protecting end rings movable to lift the cast plate and; means passin the drag and manually operated orlifting therings.

62. A machine for casting stereotype plates including combination a drag,end rings movable to lift; the cast plate and alternatively utilizable means for manually and automatically lifting ,the rings. I

"63. A machine for casting stereotype plates including in combination a drag, end rings movable to lift the cast plate and alternativel'y 'utilizable means for and automatically lifting the rings.

64. A machine for-casting stereotype plates including in combination a drag, plate lifting saddles mounted in the dra' to engage the convex side of the plate, an means passing through the drag for operating the saddles to lift the plate from the drag in a vertical rectilinear path.

65. A- machine for casting stereotype plates including in combination a. drag, plate lifting saddles, means for operating a through a manually meansoperated optionally byan attendant i printing, plates including in combination a drag movable to and frobetween castin position and plate discharging position, an

means slidably engaging the drag for liftinghthe plate in a substantially rectilinear pat 68. A machine for casting stereotype printing plates including in combination a drag 'movable to and fro between casting position and plate discharging position, means slidably engaging the drag for lifting. the plate in a substantially rectilinear path, and means for holding the matrix while the [plate is. lifted from it.

69. A; machine for casting stereotype casting position and plate discharging position, means passing through the drag for lifting the cast plate free from the matnxand' bringing it to rest within the drag-ready for removal, and means for holding the matrix while the plate is lifted from it. p

In testimony whereof, I have signed my ame to this specification.

MARTIN w; BRUESHA'BER.

;printing plates including in combination a drag -movable to and fro between 

